1.Support RM, RMVB media play (900Kbps above)
2.Support 2.5" SATA HDD, capacity from 20GB to 500GB, not included in package.
3.Support SD, MMC, MS, XD card
4.Support firmware upgrade
5.Support infrared remote control
6.Support file filtration
7.Support USB HOST (OTG) and USB 2.0 (transfer rate: 480MB/s)
8.Support RM /RMVB /MPEG1(VCD), MPEG2 (DVD), MP3/MPEG4(DIVX),
9.MOV, JPEG media play
10.Support PAL, NTSC, Y, Pb, Pr TV format
11.Support WMA, MP3, OGG audio format
12.Support 720X480 / 1920X1080i high definition file decode,
13.support 1080i high definition TV out
14.Support stimulant audio out and stereo audio out
15.Optional hang-up caption: *.TXT,*.PSB,*.SMI,*.SRT,*.SUB,*.ASS,*.SSA
16.Support multi-languages: Chinese, English ect.
17.Support card to card, card to HDD, HDD to HDD copy

With USB 2.0 connection, user access movie/ music files from computer to the HDD player's storage (Hard drive or Memory card) and then connect player with the TV via AV cable, then the next operation just like you did with early generation DVD player.